package exception;

import java.io.FileOutputStream;
import java.io.IOException;

public class FinallyDemo3 {
    public static void main(String[] args) {
        FileOutputStream fos = null;
        try{
            fos= new FileOutputStream("./fos.dat") ;
            fos.write(1);
        }catch (IOException e ){
            System.out.println("出错了");
        }finally {
            try {
                if(fos!=null){
                    fos.close();
                }
            } catch (IOException e) {
               e.printStackTrace();
            }
        }
    }
}

